/* Copyright 2003-2008 Joaquin M Lopez Munoz. | |
* Distributed under the Boost Software License, Version 1.0. | |
* (See accompanying file LICENSE_1_0.txt or copy at | |
* http://www.boost.org/LICENSE_1_0.txt) | |
* | |
* See http://www.boost.org/libs/multi_index for library home page. | |
*/ | |
#ifndef BOOST_MULTI_INDEX_INDEXED_BY_HPP | |
#define BOOST_MULTI_INDEX_INDEXED_BY_HPP | |
#if defined(_MSC_VER)&&(_MSC_VER>=1200) | |
#pragma once | |
#endif | |
#include <boost/config.hpp> /* keep it first to prevent nasty warns in MSVC */ | |
#include <boost/mpl/vector.hpp> | |
#include <boost/preprocessor/cat.hpp> | |
#include <boost/preprocessor/control/expr_if.hpp> | |
#include <boost/preprocessor/repetition/enum.hpp> | |
#include <boost/preprocessor/repetition/enum_params.hpp> | |
/* An alias to mpl::vector used to hide MPL from the user. | |
* indexed_by contains the index specifiers for instantiation | |
* of a multi_index_container. | |
*/ | |
/* This user_definable macro limits the number of elements of an index list; | |
* useful for shortening resulting symbol names (MSVC++ 6.0, for instance, | |
* has problems coping with very long symbol names.) | |
*/ | |
#if !defined(BOOST_MULTI_INDEX_LIMIT_INDEXED_BY_SIZE) | |
#if defined(BOOST_MSVC)&&(BOOST_MSVC<1300) | |
#define BOOST_MULTI_INDEX_LIMIT_INDEXED_BY_SIZE 5 | |
#else | |
#define BOOST_MULTI_INDEX_LIMIT_INDEXED_BY_SIZE BOOST_MPL_LIMIT_VECTOR_SIZE | |
#endif | |
#endif | |
#if BOOST_MULTI_INDEX_LIMIT_INDEXED_BY_SIZE<BOOST_MPL_LIMIT_VECTOR_SIZE | |
#define BOOST_MULTI_INDEX_INDEXED_BY_SIZE \ | |
BOOST_MULTI_INDEX_LIMIT_INDEXED_BY_SIZE | |
#else | |
#define BOOST_MULTI_INDEX_INDEXED_BY_SIZE BOOST_MPL_LIMIT_VECTOR_SIZE | |
#endif | |
#define BOOST_MULTI_INDEX_INDEXED_BY_TEMPLATE_PARM(z,n,var) \ | |
typename BOOST_PP_CAT(var,n) BOOST_PP_EXPR_IF(n,=mpl::na) | |
namespace boost{ | |
namespace multi_index{ | |
template< | |
BOOST_PP_ENUM( | |
BOOST_MULTI_INDEX_INDEXED_BY_SIZE, | |
BOOST_MULTI_INDEX_INDEXED_BY_TEMPLATE_PARM,T) | |
> | |
struct indexed_by: | |
mpl::vector<BOOST_PP_ENUM_PARAMS(BOOST_MULTI_INDEX_INDEXED_BY_SIZE,T)> | |
{ | |
}; | |
} /* namespace multi_index */ | |
} /* namespace boost */ | |
#undef BOOST_MULTI_INDEX_INDEXED_BY_TEMPLATE_PARM | |
#undef BOOST_MULTI_INDEX_INDEXED_BY_SIZE | |
#endif |